This excerpt taken from the MTSC 8-K filed Oct 28, 2008.
10. Amendment and Termination.
at any time reduce, suspend or discontinue the Plan, provided no such reduction, suspension or discontinuance shall deprive any Participant or beneficiary of any benefits that become vested under the Plan. The Company, by written instrument approved by the Committee, may terminate the Plan and distribute all of the Accounts of the Plan under the following circumstances:
This excerpt taken from the MTSC 8-K filed Feb 7, 2006.